Langfuse plugin tracing improvements and fixes
Cluster 29482 · agent. Data as of
Nothing open on GitHub. Fix merged in #85439. Check it covers your case.
The short answer
- Known?
- Yes. 5 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #85439. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #85439. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These issues and pull requests address bugs and feature additions in the Langfuse plugin, including surfacing reasoning_content from certain model conventions and expanding trace coverage to errors, sessions, subagents, and MoA fan-out scenarios.
Open issues0
Open PRs0
Fixes on record
-
#85439 feat(langfuse): widen tracing to errors, sessions, subagents, and MoA fan-out
files:
agent/conversation_loop.py,agent/moa_loop.py,agent/moa_trace.py,agent/redact.py,hermes_cli/config.py,hermes_cli/hooks.py,plugins/observability/langfuse/README.md,plugins/observability/langfuse/__init__.py,plugins/observability/langfuse/plugin.yaml,tests/agent/test_moa_observability_bridge.py,tests/plugins/test_langfuse_plugin.py
3 PRs closed without merging
From the close comments: merged via another change 2 · stale or abandoned 1
- #29486 fix(plugins): surface reasoning_content in Langfuse assistant message (#29482) · stale or abandoned
-
#39653 fix(langfuse): surface reasoning_content in traces (#29482) · merged via another change →
#85439 -
#83437 feat(langfuse): widen tracing to errors, sessions, subagents, and MoA fan-out · merged via another change →
#85439
Closed issues · 1
- Closed#29482[Bug]: Langfuse plugin shows reasoning: None for reasoning_content models (DeepSeek/Qwen/LM Studio convention)
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.40: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- agent
- Merged PRs
- #85439
- Closed issues
- 1
- Attempts
- 3 PRs closed without merging
- Fix link checked
- 13 Aug 2026